A surprising gut-heart connection may help explain why sleep apnea increases the risk of cardiovascular disease. In mice, ...

A study of more than 2,100 adults found that eating more ultra-processed foods was linked to poorer attention and slower ...

Researchers have identified a new Alzheimer’s target and created an experimental compound that blocks a damaging process ...

Astronomers have spent years searching for a possible hidden giant planet far beyond Neptune. Unusual orbits among distant ...

The mysterious Amaterasu particle may not be a proton at all. New research suggests that some of the most extreme cosmic rays ...

Scientists have uncovered new evidence that Stonehenge’s six-ton Altar Stone was deliberately transported hundreds of ...

NASA says a long-running air leak aboard the ISS recently worsened, leading engineers to investigate new suspected crack ...

A surprising study suggests that chemicals introduced to protect the ozone layer may have unintentionally created a growing global pollution problem. Researchers found that refrigerants and certain ...

South Australia’s koala population has grown so large that it may be heading toward a self-made disaster, with forests ...

The largest review ever conducted on opioids for acute pain found that these widely prescribed drugs often deliver only small, short-lived benefits. For many common conditions, including some ...

Scientists have uncovered a hidden immune system "brake" that may help cancers avoid being destroyed. The molecule, called SLAMF6, weakens the body's cancer-fighting T cells and can leave them ...

Researchers have solved a decades-old mystery by showing that a cache of 43 helmets found off the Spanish coast is medieval, ...